public class SecondProject {
	public static void main(String[] args) {
		List ml = new List();
		ml.addBack(2);
		ml.addBack(3);
		ml.addBack(4);
		ml.addFront(1);

		ml.printList();
		System.out.println();

		ml.delEl(2);
		ml.delEl(3);
		ml.delEl(9);
		ml.delEl(4);

		ml.printList();
		System.out.println();
	}

}
